Home / 75,429.53-113,129.31-37,439.16

Finding the Fourth Proportional to 75,429.53, 113,129.31 and 37,439.16

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Solution

The fourth proportional to 75,429.53, 113,129.31 and 37,439.16 is: 56,151.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,429.53 : 113,129.31 = 37,439.16 : x
  2. Step 2: Convert to fraction form
    75,429.53/113,129.31 = 37,439.16/x
  3. Step 3: Cross multiply
    75,429.53x = 113,129.31 × 37,439.16
  4. Step 4: Simplify right side
    75,429.53x = 4,235,466,479.70
  5. Step 5: Solve for x
    x = 4,235,466,479.70/75,429.53
  6. Step 6: Final answer
    x = 56,151.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.